Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e44ca9d674218ee…

MALICIOUS

PDF

37.8 KB Authoring application: pstoedit First seen: 2020-09-24
MD5: 0f4d40f8e465581a65320c165bffabda SHA-1: 2c5d8a2c1039a57120da222d572bfcb1e521da8e SHA-256: 7e44ca9d674218ee3d19aaa7b52fd33c73f3f7658f2c52a41d313892a394ee77
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF file was flagged by multiple heuristics, including a critical alert for a large number of embedded external PDF links. The ML classifier also assigned a very high probability of maliciousness. The embedded URLs suggest a link farm or SEO poisoning attempt, potentially to distribute further malware or phishing content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://chardia.net/uploads/1/3/0/8/130814754/9409617.pdf In PDF document text
    • http://foundedontruth.com/uploads/1/3/0/6/130620847/7ea59b5.pdfIn PDF document text
    • http://beautyflower.info/uploads/1/3/0/6/130604181/7390876.pdfIn PDF document text
    • http://reyvu.com/uploads/1/3/0/4/130483043/fapudog.pdfIn PDF document text
    • http://midnightoilscompany.com/uploads/1/3/0/3/130323374/xoxufozusesevef.pdfIn PDF document text
    • http://dealingwithstuff.com/uploads/1/3/0/7/130739460/8701063.pdfIn PDF document text
    • http://realizationofdreams.com/uploads/1/3/0/5/130551214/1999015.pdfIn PDF document text
    • http://msrivaskids.com/uploads/1/3/0/7/130776573/7093103.pdfIn PDF document text
    • http://northeastmarineelectric.com/uploads/1/3/0/8/130874388/1110446.pdfIn PDF document text
    • http://roamartrentals.com/uploads/1/3/0/3/130379183/eb57bd29d.pdfIn PDF document text
    • http://shsucommunityconnections.com/uploads/1/3/0/5/130590687/xinizunupijonupu.pdfIn PDF document text
    • http://globalhealthapps.com/uploads/1/3/0/5/130539309/8f8b52c2862d.pdfIn PDF document text
    • http://etebras.com/uploads/1/3/0/6/130640116/7b22e28ad4.pdfIn PDF document text
    • http://myecwc.com/uploads/1/3/0/6/130639396/renivo.pdfIn PDF document text
    • http://seethet.com/uploads/1/3/0/3/130379132/mutebezofad.pdfIn PDF document text
    • http://dimitrovakataacademy.com/uploads/1/3/0/5/130542907/821d1a928ab34e4.pdfIn PDF document text
    • http://tolhouse-design.com/uploads/1/3/0/5/130545884/6523316.pdfIn PDF document text
    • http://morrowworldpost.com/uploads/1/3/0/6/130620228/4562562.pdfIn PDF document text
    • http://vps23.pleasingfood.com/uploads/1/3/0/7/130739619/130739619.html#consumo+de+alcohol+en+adolescentes+segun+la+omsIn PDF document text

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003539.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3539 8828 bytes
SHA-256: 55cecabf81a8e5b91166d6cbe36eaa2d6b2631000e11c13802ba86db226b3cb3

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